1, water pollution. It refers to the phenomenon that the chemical, physical, biological or radioactive pollution of water changes due to the intervention of a certain substance, thus affecting the effective use of water, endangering human health or destroying the ecological environment, resulting in the deterioration of water quality.
2. Radioactive pollution. Exceeding the national and local pollutant discharge standards, discharging pollutants in excess of categories, quantities and concentrations, and illegally discharging toxic and harmful substances into the atmosphere, thus causing air pollution accidents.
3. Noise pollution. Refers to the phenomenon that the generated environmental noise exceeds the national environmental noise emission standard and interferes with the normal work, study and life of others.
Extended data
Features:
1, public hazards and environmental pollution are not affected by regional, ethnic and economic conditions, and will all suffer.
2, latent, a lot of pollution is not easy to find in time, once the outbreak of serious consequences.
3. insist. Many pollutions have long-term and lasting effects, endangering people's health and life, and are not easy to eliminate.
Environmental pollution sources mainly include:
1. Waste smoke, waste gas, noise, dirty water and garbage discharged in people's lives.
2. Exhaust gas and noise emitted by vehicles (all fuel vehicles, ships, airplanes, etc.). ).
3, a large number of chemical substances such as fertilizers, pesticides and herbicides are used for the water flowing out after farmland irrigation.
4. Mine wastewater and waste residue.
Baidu Encyclopedia-Urban Environmental Pollution
Baidu encyclopedia-environmental pollution